1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- S Y S T E M . P A R A M E T E R S --
11 -- Copyright (C) 1997-1998 Free Software Foundation, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- As a special exception, if other files instantiate generics from this --
25 -- unit, or you link this unit with other files to produce an executable, --
26 -- this unit does not by itself cause the resulting executable to be --
27 -- covered by the GNU General Public License. This exception does not --
28 -- however invalidate any other reasons why the executable file might be --
29 -- covered by the GNU Public License. --
31 -- GNAT was originally developed by the GNAT team at New York University. --
32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
34 ------------------------------------------------------------------------------
36 -- This is the OS/2 specific version - default stacksizes need to be large
38 package body System
.Parameters
is
40 ------------------------
41 -- Default_Stack_Size --
42 ------------------------
44 function Default_Stack_Size
return Size_Type
is
46 -- The default stack size for extra tasks is based on the
47 -- default stack size for the main task (8 MB) and for the heap
50 -- In OS/2 it doesn't hurt to define large stacks, unless
51 -- the system is configured to commit all memory reservations.
52 -- This is not a default configuration however.
55 end Default_Stack_Size
;
57 ------------------------
58 -- Minimum_Stack_Size --
59 ------------------------
61 function Minimum_Stack_Size
return Size_Type
is
63 -- System functions may need 8 kB of stack, so 12 kB seems a
66 end Minimum_Stack_Size
;
68 -------------------------
69 -- Adjust_Storage_Size --
70 -------------------------
72 function Adjust_Storage_Size
(Size
: Size_Type
) return Size_Type
is
74 if Size
= Unspecified_Size
then
75 return Default_Stack_Size
;
77 elsif Size
< Minimum_Stack_Size
then
78 return Minimum_Stack_Size
;
83 end Adjust_Storage_Size
;
85 end System
.Parameters
;